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Customer development

Customer development – Germany

thousands

 

 

 

 

 

 

 

 

June 30, 2026

Mar. 31, 2026

Change
June 30, 2026/
Mar. 31, 2026 
%

Dec. 31, 2025

Change
June 30, 2026/
Dec. 31, 2025 
%

June 30, 2025

Change
June 30, 2026/
June 30, 2025 
%

Mobile customers

76,733

75,320

1.9

74,490

3.0

71,126

7.9

Contract customers

28,148

27,924

0.8

27,740

1.5

27,039

4.1

Prepaid customers (incl. M2M)

48,585

47,396

2.5

46,750

3.9

44,086

10.2

Fixed-network lines

16,615

16,712

(0.6)

16,796

(1.1)

16,981

(2.2)

Retail broadband lines

15,079

15,100

(0.1)

15,103

(0.2)

15,126

(0.3)

Of which: optical fibera

13,431

13,412

0.1

13,370

0.5

13,298

1.0

Television (IPTV, satellite)

4,800

4,775

0.5

4,747

1.1

4,698

2.2

Wholesale lines

9,896

9,985

(0.9)

10,077

(1.8)

10,275

(3.7)

Wholesale broadband lines

8,426

8,479

(0.6)

8,536

(1.3)

8,570

(1.7)

Of which: optical fibera

7,574

7,596

(0.3)

7,617

(0.6)

7,617

(0.6)

Unbundled local loop lines (ULLs)

1,470

1,506

(2.4)

1,541

(4.6)

1,705

(13.8)

a

Disclosure of the total of all fiber-optic lines (FTTx).

Total

In Germany, we maintained our market leadership in terms of both fixed-network and mobile revenues. This success is attributable to our high-performance networks, a broad product portfolio, and excellent service quality. Our goal is to deliver our customers a seamless and technology-neutral telecommunications experience. In pursuit of this, we continually adapt our product portfolio to address the needs of our customers.

Mobile communications

Our Germany operating segment had a total of 76.7 million mobile customers as of June 30, 2026. The number of high-value mobile contract customers under the Telekom and congstar brands grew by 419 thousand customers overall against year-end 2025. Sustained demand for rate plans with data allowances continues to drive this trend. The prepaid customer base grew by 3.9 %, driven mainly by the M2M SIM cards used in the automotive industry.

Fixed network

The total number of fiber-optic-based lines was 21.0 million as of June 30, 2026, reflecting sustained demand for higher bandwidths. The number of retail broadband lines remained more or less stable against the end of 2025 at a total of 15.1 million customers. Around 58 % of the customers have subscribed to a rate plan with speeds of 100 Mbit/s or higher. The rise in demand for our TV content drove growth in our TV customer base of 53 thousand against year-end 2025, an increase of 1.1 %. The number of fixed-network lines decreased by 1.1 % to 16.6 million lines on account of the decline in the voice product.

Wholesale

The number of wholesale lines declined as of June 30, 2026. This trend results partly from consumers switching to other providers and partly from our wholesale partners migrating their retail customers to their own infrastructures. Fiber-optic-based wholesale broadband lines accounted for 76.5 % of all lines – an increase of 0.9 percentage points against the end of 2025.

Development of operations

Development of operations – Germany

millions of €

 

 

 

 

 

 

 

 

 

 

 

H1 2026

H1 2025

Change
%

Q1 2026

Q2 2026

Q2 2025

Change
%

FY 2025

Revenue

 

12,846

12,505

2.7

6,340

6,507

6,286

3.5

25,610

Consumers

 

6,658

6,363

4.6

3,289

3,369

3,165

6.4

12,953

Business Customers

 

4,273

4,279

(0.1)

2,104

2,169

2,151

0.8

8,739

Wholesale

 

1,595

1,624

(1.7)

806

790

827

(4.5)

3,249

Other

 

320

239

34.1

141

179

142

25.9

668

Service revenuea

 

11,256

11,123

1.2

5,582

5,674

5,594

1.4

22,457

EBITDA

 

5,488

5,388

1.9

2,752

2,736

2,680

2.1

10,887

Special factors affecting EBITDA

 

(241)

(159)

(51.3)

(126)

(115)

(78)

(47.3)

(466)

EBITDA (adjusted for special factors)

 

5,729

5,548

3.3

2,878

2,851

2,758

3.4

11,353

EBITDA AL

 

5,130

5,079

1.0

2,573

2,557

2,526

1.2

10,228

Special factors affecting EBITDA AL

 

(241)

(159)

(51.3)

(126)

(115)

(78)

(47.3)

(466)

EBITDA AL (adjusted for special factors)

 

5,371

5,239

2.5

2,699

2,672

2,605

2.6

10,694

EBITDA AL margin (adjusted for special factors)

%

41.8

41.9

 

42.6

41.1

41.4

 

41.8

Depreciation, amortization and impairment losses

 

(2,231)

(2,207)

(1.1)

(1,116)

(1,116)

(1,101)

(1.3)

(4,486)

Profit (loss) from operations (EBIT)

 

3,257

3,182

2.4

1,636

1,621

1,579

2.6

6,401

EBIT margin

%

25.4

25.4

 

25.8

24.9

25.1

 

25.0

Cash capex

 

(1,772)

(2,262)

21.7

(832)

(940)

(1,013)

7.2

(4,870)

Cash capex (before spectrum investment)

 

(1,772)

(2,262)

21.7

(832)

(940)

(1,013)

7.2

(4,870)

a

As of January 1, 2026, the definition of service revenue was changed. Prior-year comparatives were adjusted retrospectively.

Revenue, service revenue

Total revenue in our Germany operating segment was EUR 12.8 billion in the reporting period, an increase of 2.7 % on the prior-year period. Service revenues grew by 1.2 % year-on-year, due to growth in the mobile and fixed-network businesses, largely driven by broadband and TV business. Non-service revenues likewise trended positively, driven by higher mobile terminal equipment revenues and the partnership business, as well as the broadcast of the soccer World Cup.

Revenue from Consumers increased by 4.6 % compared with the prior-year period. Mobile service revenues trended in line with the positive customer development in the reporting period. The fixed-network business likewise continued to perform well, mainly on the back of sustained broadband revenue growth driven by a number of positive factors, including rising demand for powerful, reliable networks and higher bandwidths, as well as customer appreciation for our TV offerings.

At EUR 4.3 billion, revenue from Business Customers remained at the level of the prior-year period. Mobile revenues remained below the prior-year level, although this was offset by deviating seasonal effects year-on-year in the project-driven IT systems solutions business.

Wholesale revenue decreased by 1.7 % in the reporting period to EUR 1.6 billion, mainly due to the expiration of contractually agreed price increases under the commitment model.

Adjusted EBITDA AL, EBITDA AL

Adjusted EBITDA AL increased by EUR 132 million or 2.5 % year-on-year. The main reasons for this increase were high-value service revenue growth and enhanced cost efficiency, primarily as a result of the lower headcount and the strict implementation of efficiency enhancement and digitalization measures. Additionally, various one-time effects had an impact on earnings. Our adjusted EBITDA AL margin amounted to 41.8 %.

At EUR 5.1 billion, EBITDA AL increased by 1.0 % against the prior-year level, mainly due to the effects described under adjusted EBITDA AL. Higher year-on-year expenses arising from special factors also had an impact, increasing by EUR 82 million to EUR 241 million, mainly as a result of socially responsible staff-related measures.

Profit/loss from operations (EBIT)

Profit from operations amounted to EUR 3.3 billion in the first half of the year, an increase of 2.4 % against the prior-year period, which was mainly driven by the positive development of EBITDA. This was offset by an increase of 1.1 % in depreciation, amortization and impairment losses, mainly resulting from the continued fiber build-out.

Cash capex (before spectrum investment), cash capex

Cash capex (before spectrum investment) decreased by EUR 490 million or 21.7 % compared with the prior-year period, primarily due to the timing of investments in the fiber build-out. We still expect cash capex to rise slightly overall for full-year 2026. The number of homes passed by our fiber-optic network increased to 13.6 million as of June 30, 2026.

AL – After Leases
Since the start of the 2019 financial year, Deutsche Telekom has taken the effects of the first-time application of IFRS 16 “Leases” into account when determining financial performance indicators. “EBITDA after leases” (EBITDA AL) is calculated by adjusting EBITDA for depreciation of the right-of-use assets and for interest expenses on recognized lease liabilities. When determining “free cash flow after leases” (free cash flow AL), free cash flow is adjusted for the repayment of lease liabilities.
Glossary
Commitment model
Long-term contract and pricing model in which at least one party makes a commitment to purchase or provide a defined service, or to meet specific objectives, over a specified period of time (see also Wholesale). In return, it often receives more favorable terms, price advantages, or guaranteed services.
Glossary
Fixed-network lines
In the combined management report, these include lines in operation, excluding internal use and public telecommunications, including IP-based lines. The totals and the changes in percent were calculated on the basis of precise figures and rounded to millions or thousands.
Glossary
M2M – Machine to Machine
M2M refers to communication between machines. The information is automatically sent to the recipient. For example, in an emergency, alarm systems automatically send a signal to security or the police.
Glossary
Mobile customers
In the combined management report, one mobile communications card corresponds to one customer (see also SIM card). The totals and the changes in percent were calculated on the basis of precise figures and rounded to millions or thousands.
Glossary
Prepaid
In contrast to postpaid contracts, prepaid communication services are services for which credit has been purchased in advance with no fixed-term contractual obligations.
Glossary
Retail
The sale of goods and services to end users. By contrast, the business with wholesale services for other telecommunications companies is referred to as wholesale business.
Glossary
SIM card – Subscriber Identification Module card
A SIM card is a chip card that is inserted into a cell phone to identify it in the mobile network. Deutsche Telekom counts its customers by the number of SIM cards activated and not churned. Customer totals also include the SIM cards with which machines can communicate automatically with one another (M2M cards). The churn rate is determined and reported based on the local market.
Glossary
Wholesale
Refers to the business of selling services to telecommunications companies which sell them to their own retail customers either directly or after further processing.
Glossary

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